Home / 1,275,966.64-1,760,817.78-695,213.95

Finding the Fourth Proportional to 1,275,966.64, 1,760,817.78 and 695,213.95

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Solution

The fourth proportional to 1,275,966.64, 1,760,817.78 and 695,213.95 is: 959,386.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,966.64 : 1,760,817.78 = 695,213.95 : x
  2. Step 2: Convert to fraction form
    1,275,966.64/1,760,817.78 = 695,213.95/x
  3. Step 3: Cross multiply
    1,275,966.64x = 1,760,817.78 × 695,213.95
  4. Step 4: Simplify right side
    1,275,966.64x = 1,224,145,084,064.03
  5. Step 5: Solve for x
    x = 1,224,145,084,064.03/1,275,966.64
  6. Step 6: Final answer
    x = 959,386.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.